Question

A and B together can finish a job in 15 days .if A alone can finish the job in 25 days .how many days can B alone finish the job​

Answer 1

Answer:

I don't know

Step-by-step explanation:

really I don't know

Answer 2

Step-by-step explanation:

A and B's 1 day work= 1/15

A' s one day work=1/25

then B's one day work= {A and B's one day work}

- { A's one day work}

=1/15-1/25

=(5-3)/75

=2/75

B's one day work is 2/75

then B alone finish the work in 75/2 days

i.e) 37.5 days